US3470028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intermediate temperature packed fuel cells
Assignee: RTX Corp
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Filing: 1966-08-25
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Granted: 1969-09-30
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Expires: 1986-08-25
Abstract
No abstract record available.
Inventors
- 👤 John H Sizer Jr
- 👤 Jose Giner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:00
CPC Classifications
H; H01; H01M; H01M8/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A FUEL CELL COMPRISING: (A) A HOUSING; (B) A FUEL ELECTRODE; (C) MEANS FOR SUPPLYING FUEL TO THE FUEL ELECTRODE; (D) A METAL-CONTAINING OXIDANT ELECTRODE SPACED FROM THE FUEL ELECTRODE; (E) MEANS FOR SUPPLYING OXIDIZING GAS TO THE OXIDANT ELECTRODE; (F) AN ELECTROLYTE DISPERSED BETWEEN SAID ELECTRODES; AND (G) A PACKING SPACE BETWEEN SAID ELECTRODES, WHICH COMPRISES A SUFFICIENT QUANTITY OF PARTICULATE CERIA OR THORIA TO INHIBIT DISSOLUTION OF THE OXIDANT ELECTRODE INTO SAID ELECTROLYTE DURING OPERATION OF THE CELL AND RETARD MIGRATION OF DISSOLVED OXIDANT ELECTRODE METAL TO THE FUEL ELECTRODE.
Claim 2
Dependent Claim
92 words
A FUEL CELL COMPRISING: (A) A HOUSING; (B) A FUEL ELECTRODE; (C) MEANS FOR SUPPLYING FUEL TO THE FUEL ELECTRODE; (D) A METAL-CONTAINING OXIDANT ELECTRODE SPACED FROM THE FUEL ELECTRODE; (E) MEANS FOR SUPPLYING OXIDIZING GAS TO THE OXIDANT ELECTRODE; (F) AN ELECTROLYTE DISPERSED BETWEEN SAID ELECTRODES; AND (G) A PACKING SPACE BETWEEN SAID ELECTRODES, WHICH COMPRISES A SUFFICIENT QUANTITY OF PARTICULATE CERIA OR THORIA TO INHIBIT DISSOLUTION OF THE OXIDANT ELECTRODE INTO SAID ELECTROLYTE DURING OPERATION OF THE CELL AND RETARD MIGRATION OF DISSOLVED OXIDANT ELECTRODE METAL TO THE FUEL ELECTRODE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |